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TurboJPEG: Opt. enable arithmetic entropy coding

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This commit is contained in:
DRC
2022-11-15 23:10:35 -06:00
parent bc086c4427
commit 6002720c37
37 changed files with 476 additions and 293 deletions
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12
java/TJBench.java
View File

@@ -1,6 +1,6 @@
/*
* Copyright (C)2009-2014, 2016-2019, 2021 D. R. Commander.
* All Rights Reserved.
* Copyright (C)2009-2014, 2016-2019, 2021-2022 D. R. Commander.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -712,7 +712,10 @@ final class TJBench {
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec");
System.out.println("-progressive = Use progressive entropy coding in JPEG images generated by");
System.out.println(" compression and transform operations.");
System.out.println(" compression and transform operations. (Can be combined with -arithmetic.)");
System.out.println("-arithmetic = Use arithmetic entropy coding in JPEG images generated by");
System.out.println(" compression and transform operations. (Can be combined with");
System.out.println(" -progressive.)");
System.out.println("-subsamp <s> = When testing JPEG compression, this option specifies the level");
System.out.println(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or");
System.out.println(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in");
@@ -816,6 +819,9 @@ final class TJBench {
} else if (argv[i].equalsIgnoreCase("-progressive")) {
System.out.println("Using progressive entropy coding\n");
flags |= TJ.FLAG_PROGRESSIVE;
} else if (argv[i].equalsIgnoreCase("-arithmetic")) {
System.out.println("Using arithmetic entropy coding\n");
flags |= TJ.FLAG_ARITHMETIC;
} else if (argv[i].equalsIgnoreCase("-rgb"))
pf = TJ.PF_RGB;
else if (argv[i].equalsIgnoreCase("-rgbx"))

80
java/doc/constant-values.html
View File

@@ -140,195 +140,202 @@
<td class="colLast"><code>4096</code></td>
</tr>
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_ARITHMETIC">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_ARITHMETIC">FLAG_ARITHMETIC</a></code></td>
<td class="colLast"><code>65536</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_BOTTOMUP">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTDCT">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT">FLAG_FASTDCT</a></code></td>
<td class="colLast"><code>2048</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTUPSAMPLE">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</a></code></td>
<td class="colLast"><code>256</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_LIMITSCANS">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_LIMITSCANS">FLAG_LIMITSCANS</a></code></td>
<td class="colLast"><code>32768</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_PROGRESSIVE">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_PROGRESSIVE">FLAG_PROGRESSIVE</a></code></td>
<td class="colLast"><code>16384</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_STOPONWARNING">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING">FLAG_STOPONWARNING</a></code></td>
<td class="colLast"><code>8192</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMCS">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMCS">NUMCS</a></code></td>
<td class="colLast"><code>5</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMERR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMERR">NUMERR</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMPF">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</a></code></td>
<td class="colLast"><code>12</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMSAMP">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</a></code></td>
<td class="colLast"><code>6</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_ABGR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR">PF_ABGR</a></code></td>
<td class="colLast"><code>9</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_ARGB">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB">PF_ARGB</a></code></td>
<td class="colLast"><code>10</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_BGR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</a></code></td>
<td class="colLast"><code>1</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_BGRA">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA">PF_BGRA</a></code></td>
<td class="colLast"><code>8</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_BGRX">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</a></code></td>
<td class="colLast"><code>3</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_CMYK">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_CMYK">PF_CMYK</a></code></td>
<td class="colLast"><code>11</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_GRAY">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</a></code></td>
<td class="colLast"><code>6</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_RGB">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</a></code></td>
<td class="colLast"><code>0</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_RGBA">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA">PF_RGBA</a></code></td>
<td class="colLast"><code>7</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_RGBX">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_XBGR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</a></code></td>
<td class="colLast"><code>4</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_XRGB">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</a></code></td>
<td class="colLast"><code>5</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_411">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_411">SAMP_411</a></code></td>
<td class="colLast"><code>5</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_420">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_422">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</a></code></td>
<td class="colLast"><code>1</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_440">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</a></code></td>
<td class="colLast"><code>4</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_444">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</a></code></td>
<td class="colLast"><code>0</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_GRAY">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
@@ -411,48 +418,55 @@
<td class="colLast"><code>2</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_ARITHMETIC">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_ARITHMETIC">OPT_ARITHMETIC</a></code></td>
<td class="colLast"><code>128</code></td>
</tr>
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_COPYNONE">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_COPYNONE">OPT_COPYNONE</a></code></td>
<td class="colLast"><code>64</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_CROP">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP">OPT_CROP</a></code></td>
<td class="colLast"><code>4</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_GRAY">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY">OPT_GRAY</a></code></td>
<td class="colLast"><code>8</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_NOOUTPUT">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT">OPT_NOOUTPUT</a></code></td>
<td class="colLast"><code>16</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_PERFECT">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT">OPT_PERFECT</a></code></td>
<td class="colLast"><code>1</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_PROGRESSIVE">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PROGRESSIVE">OPT_PROGRESSIVE</a></code></td>
<td class="colLast"><code>32</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJTransform.OPT_TRIM">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>

10
java/doc/index-all.html
View File

@@ -237,6 +237,11 @@
<div class="block">Use the most accurate DCT/IDCT algorithm available in the underlying
codec.</div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_ARITHMETIC">FLAG_ARITHMETIC</a></span> - Static variable in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</a></dt>
<dd>
<div class="block">Use arithmetic entropy coding in JPEG images generated by compression and
transform operations.</div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</a></span> - Static variable in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</a></dt>
<dd>
<div class="block">The uncompressed source/destination image is stored in bottom-up (Windows,
@@ -528,6 +533,11 @@
<dd>
<div class="block">Flip (mirror) image vertically.</div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_ARITHMETIC">OPT_ARITHMETIC</a></span> - Static variable in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a></dt>
<dd>
<div class="block">This option will enable arithmetic entropy coding in the output image
generated by this particular transform.</div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_COPYNONE">OPT_COPYNONE</a></span> - Static variable in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</a></dt>
<dd>
<div class="block">This option will prevent <a href="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][],%20org.libjpegturbo.turbojpeg.TJTransform[],%20int)"><code>TJTransformer.transform()</code></a> from copying any extra markers (including EXIF

79
java/doc/org/libjpegturbo/turbojpeg/TJ.html
View File

@@ -169,18 +169,25 @@ extends java.lang.Object</pre>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_ARITHMETIC">FLAG_ARITHMETIC</a></strong></code>
<div class="block">Use arithmetic entropy coding in JPEG images generated by compression and
transform operations.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</a></strong></code>
<div class="block">The uncompressed source/destination image is stored in bottom-up (Windows,
OpenGL) order, not top-down (X11) order.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT">FLAG_FASTDCT</a></strong></code>
<div class="block">Use the fastest DCT/IDCT algorithm available in the underlying codec.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</a></strong></code>
<div class="block">When decompressing an image that was compressed using chrominance
@@ -188,154 +195,154 @@ extends java.lang.Object</pre>
the underlying codec.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_LIMITSCANS">FLAG_LIMITSCANS</a></strong></code>
<div class="block">Limit the number of progressive JPEG scans that the decompression and
transform operations will process.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_PROGRESSIVE">FLAG_PROGRESSIVE</a></strong></code>
<div class="block">Use progressive entropy coding in JPEG images generated by compression and
transform operations.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING">FLAG_STOPONWARNING</a></strong></code>
<div class="block">Immediately discontinue the current compression/decompression/transform
operation if the underlying codec throws a warning (non-fatal error).</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMCS">NUMCS</a></strong></code>
<div class="block">The number of JPEG colorspaces</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMERR">NUMERR</a></strong></code>
<div class="block">The number of error codes</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</a></strong></code>
<div class="block">The number of pixel formats</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</a></strong></code>
<div class="block">The number of chrominance subsampling options</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR">PF_ABGR</a></strong></code>
<div class="block">ABGR pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB">PF_ARGB</a></strong></code>
<div class="block">ARGB pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</a></strong></code>
<div class="block">BGR pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA">PF_BGRA</a></strong></code>
<div class="block">BGRA pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</a></strong></code>
<div class="block">BGRX pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_CMYK">PF_CMYK</a></strong></code>
<div class="block">CMYK pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</a></strong></code>
<div class="block">Grayscale pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</a></strong></code>
<div class="block">RGB pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA">PF_RGBA</a></strong></code>
<div class="block">RGBA pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</a></strong></code>
<div class="block">RGBX pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</a></strong></code>
<div class="block">XBGR pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</a></strong></code>
<div class="block">XRGB pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_411">SAMP_411</a></strong></code>
<div class="block">4:1:1 chrominance subsampling.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</a></strong></code>
<div class="block">4:2:0 chrominance subsampling.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</a></strong></code>
<div class="block">4:2:2 chrominance subsampling.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</a></strong></code>
<div class="block">4:4:0 chrominance subsampling.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</a></strong></code>
<div class="block">4:4:4 chrominance subsampling (no chrominance subsampling).</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY">SAMP_GRAY</a></strong></code>
<div class="block">Grayscale.</div>
@@ -934,7 +941,8 @@ extends java.lang.Object</pre>
<div class="block">Use progressive entropy coding in JPEG images generated by compression and
transform operations. Progressive entropy coding will generally improve
compression relative to baseline entropy coding (the default), but it will
reduce compression and decompression performance considerably.</div>
reduce compression and decompression performance considerably. Can be
combined with <a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_ARITHMETIC"><code>FLAG_ARITHMETIC</code></a>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_PROGRESSIVE">Constant Field Values</a></dd></dl>
</li>
</ul>
@@ -955,6 +963,21 @@ extends java.lang.Object</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_LIMITSCANS">Constant Field Values</a></dd></dl>
</li>
</ul>
<a name="FLAG_ARITHMETIC">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>FLAG_ARITHMETIC</h4>
<pre>public static final&nbsp;int FLAG_ARITHMETIC</pre>
<div class="block">Use arithmetic entropy coding in JPEG images generated by compression and
transform operations. Arithmetic entropy coding will generally improve
compression relative to Huffman entropy coding (the default), but it will
reduce compression and decompression performance considerably. Can be
combined with <a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_PROGRESSIVE"><code>FLAG_PROGRESSIVE</code></a>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_ARITHMETIC">Constant Field Values</a></dd></dl>
</li>
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38
java/doc/org/libjpegturbo/turbojpeg/TJTransform.html
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@@ -221,53 +221,60 @@ extends java.awt.Rectangle</pre>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_ARITHMETIC">OPT_ARITHMETIC</a></strong></code>
<div class="block">This option will enable arithmetic entropy coding in the output image
generated by this particular transform.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_COPYNONE">OPT_COPYNONE</a></strong></code>
<div class="block">This option will prevent <a href="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][],%20org.libjpegturbo.turbojpeg.TJTransform[],%20int)"><code>TJTransformer.transform()</code></a> from copying any extra markers (including EXIF
and ICC profile data) from the source image to the output image.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP">OPT_CROP</a></strong></code>
<div class="block">This option will enable lossless cropping.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY">OPT_GRAY</a></strong></code>
<div class="block">This option will discard the color data in the input image and produce
a grayscale output image.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT">OPT_NOOUTPUT</a></strong></code>
<div class="block">This option will prevent <a href="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][],%20org.libjpegturbo.turbojpeg.TJTransform[],%20int)"><code>TJTransformer.transform()</code></a> from outputting a JPEG image for this
particular transform.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT">OPT_PERFECT</a></strong></code>
<div class="block">This option will cause <a href="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][],%20org.libjpegturbo.turbojpeg.TJTransform[],%20int)"><code>TJTransformer.transform()</code></a> to throw an exception if the transform is not
perfect.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PROGRESSIVE">OPT_PROGRESSIVE</a></strong></code>
<div class="block">This option will enable progressive entropy coding in the output image
generated by this particular transform.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM">OPT_TRIM</a></strong></code>
<div class="block">This option will discard any partial MCU blocks that cannot be
transformed.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#options">options</a></strong></code>
<div class="block">Transform options (bitwise OR of one or more of <code>OPT_*</code>)</div>
@@ -577,7 +584,7 @@ extends java.awt.Rectangle</pre>
generated by this particular transform. Progressive entropy coding will
generally improve compression relative to baseline entropy coding (the
default), but it will reduce compression and decompression performance
considerably.</div>
considerably. Can be combined with <a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_ARITHMETIC"><code>OPT_ARITHMETIC</code></a>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_PROGRESSIVE">Constant Field Values</a></dd></dl>
</li>
</ul>
@@ -593,6 +600,21 @@ extends java.awt.Rectangle</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_COPYNONE">Constant Field Values</a></dd></dl>
</li>
</ul>
<a name="OPT_ARITHMETIC">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>OPT_ARITHMETIC</h4>
<pre>public static final&nbsp;int OPT_ARITHMETIC</pre>
<div class="block">This option will enable arithmetic entropy coding in the output image
generated by this particular transform. Arithmetic entropy coding will
generally improve compression relative to Huffman entropy coding (the
default), but it will reduce compression and decompression performance
considerably. Can be combined with <a href="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PROGRESSIVE"><code>OPT_PROGRESSIVE</code></a>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_ARITHMETIC">Constant Field Values</a></dd></dl>
</li>
</ul>
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14
java/org/libjpegturbo/turbojpeg/TJ.java
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@@ -1,5 +1,5 @@
/*
* Copyright (C)2011-2013, 2017-2018, 2020-2021 D. R. Commander.
* Copyright (C)2011-2013, 2017-2018, 2020-2022 D. R. Commander.
* All Rights Reserved.
* Copyright (C)2015 Viktor Szathmáry. All Rights Reserved.
*
@@ -422,7 +422,8 @@ public final class TJ {
* Use progressive entropy coding in JPEG images generated by compression and
* transform operations. Progressive entropy coding will generally improve
* compression relative to baseline entropy coding (the default), but it will
* reduce compression and decompression performance considerably.
* reduce compression and decompression performance considerably. Can be
* combined with {@link #FLAG_ARITHMETIC}.
*/
public static final int FLAG_PROGRESSIVE = 16384;
/**
@@ -435,7 +436,14 @@ public final class TJ {
* <a href="https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf" target="_blank">this report</a>.
*/
public static final int FLAG_LIMITSCANS = 32768;
/**
* Use arithmetic entropy coding in JPEG images generated by compression and
* transform operations. Arithmetic entropy coding will generally improve
* compression relative to Huffman entropy coding (the default), but it will
* reduce compression and decompression performance considerably. Can be
* combined with {@link #FLAG_PROGRESSIVE}.
*/
public static final int FLAG_ARITHMETIC = 65536;
/**
* The number of error codes

12
java/org/libjpegturbo/turbojpeg/TJTransform.java
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@@ -1,5 +1,5 @@
/*
* Copyright (C)2011, 2013, 2018 D. R. Commander. All Rights Reserved.
* Copyright (C)2011, 2013, 2018, 2022 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -131,7 +131,7 @@ public class TJTransform extends Rectangle {
* generated by this particular transform. Progressive entropy coding will
* generally improve compression relative to baseline entropy coding (the
* default), but it will reduce compression and decompression performance
* considerably.
* considerably. Can be combined with {@link #OPT_ARITHMETIC}.
*/
public static final int OPT_PROGRESSIVE = 32;
/**
@@ -140,6 +140,14 @@ public class TJTransform extends Rectangle {
* and ICC profile data) from the source image to the output image.
*/
public static final int OPT_COPYNONE = 64;
/**
* This option will enable arithmetic entropy coding in the output image
* generated by this particular transform. Arithmetic entropy coding will
* generally improve compression relative to Huffman entropy coding (the
* default), but it will reduce compression and decompression performance
* considerably. Can be combined with {@link #OPT_PROGRESSIVE}.
*/
public static final int OPT_ARITHMETIC = 128;
/**